build: target macos 13 for x86 binaries (#6221)

* build: target older macos

* cleanup

* Align xcode versions

* Simplify --x86-macos

* use cmake flag in compile.sh i.s.o. env var in yml

* more cleanups

* adress initial reviews

* generate triplet file in compile.sh

* fix triplet name

* pass matrix.target as version

* small refactor

* another minor refactor

* ci: fix ccache cleaning

* add more comments

* try passing triplets config as cmake variables

* Revert "try passing triplets config as cmake variables"

This reverts commit 77e83e8590.

* move logic inside runner == macos if

* move logic to env var

* simplify script

* format script

"I just thinks it looks better like this"

* make script work for arm as well, might be useful

* use hyphen

* use DVCPKG_HOST_TRIPLET instead of DVCPKG_TARGET_TRIPLET

* use DVCPKG_HOST_TRIPLET AND DVCPKG_TARGET_TRIPLET

---------

Co-authored-by: ebbit1q <ebbit1q@gmail.com>

.github/workflows/desktop-build.yml

@@ -4,6 +4,7 @@ permissions:
   contents: write
   id-token: write
   attestations: write
+  actions: write # needed for ccache action to be able to delete gha caches
 
 on:
   push:
@@ -245,10 +246,11 @@ jobs:
         include:
           - target: 13
             soc: Intel
-            os: macos-13
-            xcode: "14.3.1"
+            os: macos-15-intel
+            xcode: "16.4"
             type: Release
             make_package: 1
+            override_target: 13
 
           - target: 14
             soc: Apple
@@ -260,14 +262,14 @@ jobs:
           - target: 15
             soc: Apple
             os: macos-15
-            xcode: "16.2"
+            xcode: "16.4"
             type: Release
             make_package: 1
 
           - target: 15
             soc: Apple
             os: macos-15
-            xcode: "16.2"
+            xcode: "16.4"
             type: Debug
 
     name: macOS ${{matrix.target}}${{ matrix.soc == 'Intel' && ' Intel' || '' }}${{ matrix.type == 'Debug' && ' Debug' || '' }}
@@ -331,6 +333,7 @@ jobs:
           CMAKE_GENERATOR: '${{env.CMAKE_GENERATOR}}'
           VCPKG_DISABLE_METRICS: 1
           VCPKG_BINARY_SOURCES: 'clear;files,${{ steps.vcpkg-cache.outputs.path }},readwrite'
+          TARGET_MACOS_VERSION: ${{ matrix.override_target }}
         run: .ci/compile.sh --server --test --ccache "$CCACHE_SIZE" --vcpkg
 
       - name: Sign app bundle